1. Chapter 12 The Cell Cycle

2. Concept Check Questions
Chapter 12 The Cell Cycle
Concept Check Questions

3. Chapter 12 The Cell Cycle
Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?

4. Chapter 12 The Cell Cycle
Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?
25 = 32

5. How many chromatids are in a duplicated chromosome?
Chapter 12 The Cell Cycle
How many chromatids are in a duplicated chromosome?

6. 2 How many chromatids are in a duplicated chromosome?
Chapter 12 The Cell Cycle
How many chromatids are in a duplicated chromosome? 2

7. Chapter 12 The Cell Cycle
A chicken has 78 chromosomes in its somatic cells; how many chromosomes did the chicken inherit from each parent? How many chromosomes are in each of the chicken’s gametes? How many chromosomes will be in each somatic cell of the chicken’s offspring? How many chromosomes are in a “set”?

8. Chapter 12 The Cell Cycle
A chicken has 78 chromosomes in its somatic cells; how many chromosomes did the chicken inherit from each parent? How many chromosomes are in each of the chicken’s gametes? How many chromosomes will be in each somatic cell of the chicken’s offspring? How many chromosomes are in a “set”? 39 39 78 39

9. Chapter 12 The Cell Cycle
During which stage of a cell cycle would a chromosome consist of two identical chromatids?

10. The end of S through the end of metaphase
Chapter 12 The Cell Cycle
During which stage of a cell cycle would a chromosome consist of two identical chromatids?
The end of S through
the end of metaphase

11. Compare cytokinesis in plant cells and animal cells.
Chapter 12 The Cell Cycle
Compare cytokinesis in plant cells and animal cells.

12. cleavage furrow vs. cell plate
Chapter 12 The Cell Cycle
Compare cytokinesis in plant cells and animal cells.
cleavage furrow
vs.
cell plate

13. What is a function of nonkinetochore microtubules?
Chapter 12 The Cell Cycle
What is a function of nonkinetochore microtubules?

14. Elongate the cell during anaphase
Chapter 12 The Cell Cycle
What is a function of nonkinetochore microtubules?
Elongate the cell
during anaphase

15. Chapter 12 The Cell Cycle
Identify three similarities between bacterial chromosomes and eukaryotic chromosomes, considering both structure and behavior during cell division.

16. Chapter 12 The Cell Cycle
Identify three similarities between bacterial chromosomes and eukaryotic chromosomes, considering both structure and behavior during cell division.
Single molecule of DNA with proteins
Many times longer than cell
Two copies actively move apart
One copy goes to each daughter cell

17. Chapter 12 The Cell Cycle
A researcher treats cells with a chemical that prevents DNA synthesis. This treatment traps the cells in which part of the cell cycle?

18. Chapter 12 The Cell Cycle
A researcher treats cells with a chemical that prevents DNA synthesis. This treatment traps the cells in which part of the cell cycle? G1

19. Chapter 12 The Cell Cycle
What is the go-ahead signal for a cell to pass the G2 phase checkpoint and enter mitosis?

20. Chapter 12 The Cell Cycle
What is the go-ahead signal for a cell to pass the G2 phase checkpoint and enter mitosis?
MPF

21. What phase of the cell cycle are most of your body cells in?
Chapter 12 The Cell Cycle
What phase of the cell cycle are most of your body cells in?

22. G0 What phase of the cell cycle are most of your body cells in?
Chapter 12 The Cell Cycle
What phase of the cell cycle are most of your body cells in? G0

23. Compare and contrast a benign tumor and a malignant tumor.
Chapter 12 The Cell Cycle
Compare and contrast a benign tumor and a malignant tumor.

24. . Compare and contrast a benign tumor and a malignant tumor.
Chapter 12 The Cell Cycle
Compare and contrast a benign tumor and a malignant tumor.
Both are abnormal cells
Benign stays at original site
Benign can be removed
Malignant impairs organ function
Malignant spreads via metastasis. .